A Wheel Slows from 20 Rad/s to 12 Rad/s in 5

Multiple Choice

A wheel slows from 20 rad/s to 12 rad/s in 5 s under the influence of a constant frictional torque.In these 5 s,the wheel turns through an angle of

A) 2.4 rad
B) 43 rad
C) 60 rad
D) 80 rad
E) 100 rad